Question

Select True or False from each pull-down menu, depending on whether the corresponding statement is true or false. 1. When the population is divided into mutually exclusive sets, and then a simple random sample is drawn from each set, this is called simple random sampling. 2. Sampling error refers to the difference between the sample and the population that exists only because of the observations that happened to be selected for the sample. 3. Self-selected samples are almost always unbiased, because the individuals who participate in them are less interested in the issues than the other members of the population. 4. Nonresponse error refers to error, or bias, introduced when responses are not obtained from some members of the sample. When this happens, the sample observations that are collected may not be representative of the target population, resulting in bias results.

          Select True or False from each pull-down menu, depending on
whether the corresponding statement is true or false. 
   
1. When the population is divided into mutually exclusive sets, and then a simple random sample is drawn from each set, this is called simple random sampling.
   
2. Sampling error refers to the difference between the sample and the population that exists only because of the observations that happened to be selected for the sample.
   
3. Self-selected samples are almost always unbiased, because the individuals who participate in them are less interested in the issues than the other members of the population.
   
4. Nonresponse error refers to error, or bias, introduced when responses are not obtained from some members of the sample. When this happens, the sample observations that are collected may not be representative of the target population, resulting in bias results.

Added by Stacy F.

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